Ponderomotive dressing of doubly-excited states with intensity-controlled laser light
1 Max-Planck Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany
2 Center for Quantum Dynamics, Ruprecht-Karls-Universität Heidelberg, 69120 Heidelberg, Germany
We laser-dress several doubly-excited states in helium. Tuning the coupling-laser intensity from perturbative to the strong-coupling regime, we are able to measure phases imprinted on the two-electron wavefunctions, and observe a new continuum coupling mechanism.
© Owned by the authors, published by EDP Sciences, 2013
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